ProgramNode(0...14)(
  [],
  StatementsNode(0...14)(
    [InterpolatedStringNode(0...14)(
       (0...1),
       [EmbeddedVariableNode(1...4)(
          (1...2),
          InstanceVariableReadNode(2...4)()
        ),
        StringNode(4...5)(nil, (4...5), nil, " "),
        EmbeddedVariableNode(5...9)((5...6), ClassVariableReadNode(6...9)()),
        StringNode(9...10)(nil, (9...10), nil, " "),
        EmbeddedVariableNode(10...13)(
          (10...11),
          GlobalVariableReadNode(11...13)()
        )],
       (13...14)
     )]
  )
)
